diff --git a/pkgs/servers/monitoring/prometheus/kea-exporter.nix b/pkgs/servers/monitoring/prometheus/kea-exporter.nix
index c3ebc47c072d..5fe9c6baee70 100644
--- a/pkgs/servers/monitoring/prometheus/kea-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/kea-exporter.nix
@@ -2,16 +2,16 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "kea-exporter";
-  version = "0.4.4";
+  version = "0.5.0";
   format = "pyproject";
 
   src = python3Packages.fetchPypi {
     inherit pname version;
-    hash = "sha256-8hWQfI9HCSKhkgN3F0mwvKKJg6FlwqRZ1QuQFB1YXrc=";
+    hash = "sha256-RSW1HStfPV7yiuLgGIuMjS3vPXz8P3vmtfw6tDHXp6o=";
   };
 
   nativeBuildInputs = with python3Packages; [
-    poetry-core
+    pdm-pep517
   ];
 
   propagatedBuildInputs = with python3Packages; [